ASTM C1275-18
(Test Method)Standard Test Method for Monotonic Tensile Behavior of Continuous Fiber-Reinforced Advanced Ceramics with Solid Rectangular Cross-Section Test Specimens at Ambient Temperature
Standard Test Method for Monotonic Tensile Behavior of Continuous Fiber-Reinforced Advanced Ceramics with Solid Rectangular Cross-Section Test Specimens at Ambient Temperature
SIGNIFICANCE AND USE
4.1 This test method may be used for material development, material comparison, quality assurance, characterization, and design data generation.
4.2 Continuous fiber-reinforced ceramic matrix composites generally characterized by fine grain-sized (
4.3 Unlike monolithic advanced ceramics which fracture catastrophically from a single dominant flaw, CFCCs generally experience “graceful” fracture from a cumulative damage process. Therefore, the volume of material subjected to a uniform tensile stress for a single uniaxially loaded tensile test may not be as significant a factor in determining the ultimate strengths of CFCCs. However, the need to test a statistically significant number of tensile test specimens is not obviated. Therefore, because of the probabilistic nature of the strength distributions of the brittle matrices of CFCCs, a sufficient number of test specimens at each testing condition is required for statistical analysis and design. Studies to determine the exact influence of test specimen volume on strength distributions for CFCCs have not been completed. It should be noted that tensile strengths obtained using different recommended tensile specimens with different volumes of material in the gage sections may be different due to these volume differences.
4.4 Tensile tests provide information on the strength and deformation of materials under uniaxial tensile stresses. Uniform stress states are required to effectively evaluate any nonlinear stress-strain behavior which may develop as the result of cumulative damage processes (for example, matrix cracking, matrix/fiber debonding, fiber fracture, delamination, etc.) which may be influenced by testing mode, testing rate, processing or alloying effects, or environmental influences. Some of these effects may be consequences of stress corrosion or subcritical (slow) crack growth that can be minimized by testing at sufficiently rapid rates as outlined in this test method.
4.5 The results of tensile t...
SCOPE
1.1 This test method covers the determination of tensile behavior including tensile strength and stress-strain response under monotonic uniaxial loading of continuous fiber-reinforced advanced ceramics at ambient temperature. This test method addresses, but is not restricted to, various suggested test specimen geometries as listed in the appendix. In addition, test specimen fabrication methods, testing modes (force, displacement, or strain control), testing rates (force rate, stress rate, displacement rate, or strain rate), allowable bending, and data collection and reporting procedures are addressed. Note that tensile strength as used in this test method refers to the tensile strength obtained under monotonic uniaxial loading where monotonic refers to a continuous nonstop test rate with no reversals from test initiation to final fracture.
1.2 This test method applies primarily to all advanced ceramic matrix composites with continuous fiber reinforcement: unidirectional (1D), bidirectional (2D), and tridirectional (3D). In addition, this test method may also be used with glass (amorphous) matrix composites with 1D, 2D, and 3D continuous fiber reinforcement. This test method does not directly address discontinuous fiber-reinforced, whisker-reinforced, or particulate-reinforced ceramics, although the test methods detailed here may be equally applicable to these composites.
1.3 Values expressed in this test method are in accordance with the International System of Units (SI) and IEEE/ASTM SI 10.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 7 and 8.2.5.2.
1.5 This international standard was developed in accordance...
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Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: C1275 − 18
Standard Test Method for
Monotonic Tensile Behavior of Continuous Fiber-Reinforced
Advanced Ceramics with Solid Rectangular Cross-Section
1
Test Specimens at Ambient Temperature
This standard is issued under the fixed designation C1275; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 1.5 This international standard was developed in accor-
dance with internationally recognized principles on standard-
1.1 This test method covers the determination of tensile
ization established in the Decision on Principles for the
behavior including tensile strength and stress-strain response
Development of International Standards, Guides and Recom-
under monotonic uniaxial loading of continuous fiber-
mendations issued by the World Trade Organization Technical
reinforcedadvancedceramicsatambienttemperature.Thistest
Barriers to Trade (TBT) Committee.
method addresses, but is not restricted to, various suggested
test specimen geometries as listed in the appendix. In addition,
2. Referenced Documents
test specimen fabrication methods, testing modes (force,
2
displacement, or strain control), testing rates (force rate, stress
2.1 ASTM Standards:
rate, displacement rate, or strain rate), allowable bending, and
C1145Terminology of Advanced Ceramics
data collection and reporting procedures are addressed. Note
C1239Practice for Reporting Uniaxial Strength Data and
that tensile strength as used in this test method refers to the
EstimatingWeibull Distribution Parameters forAdvanced
tensile strength obtained under monotonic uniaxial loading
Ceramics
where monotonic refers to a continuous nonstop test rate with
D3039/D3039MTestMethodforTensilePropertiesofPoly-
no reversals from test initiation to final fracture.
mer Matrix Composite Materials
1.2 This test method applies primarily to all advanced D3379TestMethodforTensileStrengthandYoung’sModu-
ceramic matrix composites with continuous fiber reinforce- lus for High-Modulus Single-Filament Materials
ment:unidirectional(1D),bidirectional(2D),andtridirectional D3878Terminology for Composite Materials
(3D). In addition, this test method may also be used with glass E4Practices for Force Verification of Testing Machines
(amorphous) matrix composites with 1D, 2D, and 3D continu- E6Terminology Relating to Methods of MechanicalTesting
ous fiber reinforcement. This test method does not directly
E83Practice for Verification and Classification of Exten-
address discontinuous fiber-reinforced, whisker-reinforced, or someter Systems
particulate-reinforced ceramics, although the test methods
E177Practice for Use of the Terms Precision and Bias in
detailed here may be equally applicable to these composites.
ASTM Test Methods
E337Test Method for Measuring Humidity with a Psy-
1.3 Values expressed in this test method are in accordance
chrometer (the Measurement of Wet- and Dry-Bulb Tem-
withtheInternationalSystemofUnits(SI)andIEEE/ASTMSI
peratures)
10.
E691Practice for Conducting an Interlaboratory Study to
1.4 This standard does not purport to address all of the
Determine the Precision of a Test Method
safety concerns, if any, associated with its use. It is the
E1012Practice for Verification of Testing Frame and Speci-
responsibility of the user of this standard to establish appro-
men Alignment Under Tensile and Compressive Axial
priate safety, health, and environmental practices and deter-
Force Application
mine the applicability of regulatory limitations prior to use.
IEEE/ASTM SI 10American National Standard for Use of
Specific hazard statements are given in Section 7 and 8.2.5.2.
theInternationalSystemofUnits(SI):TheModernMetric
System
1
This test method is under the jurisdiction of ASTM Committee C28 on
Advanced Ceramics and is the direct responsibility of Subcommittee C28.07 on
2
Ceramic Matrix Composites. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Jan. 1, 2018. Published January 2018. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1994. Last previous edition approved in 2016 as C1275–16. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/C1275-18. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C1275 − 18
3. Terminology tothep
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C1275 − 16 C1275 − 18
Standard Test Method for
Monotonic Tensile Behavior of Continuous Fiber-Reinforced
Advanced Ceramics with Solid Rectangular Cross-Section
1
Test Specimens at Ambient Temperature
This standard is issued under the fixed designation C1275; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method covers the determination of tensile behavior including tensile strength and stress-strain response under
monotonic uniaxial loading of continuous fiber-reinforced advanced ceramics at ambient temperature. This test method addresses,
but is not restricted to, various suggested test specimen geometries as listed in the appendix. In addition, test specimen fabrication
methods, testing modes (force, displacement, or strain control), testing rates (force rate, stress rate, displacement rate, or strain
rate), allowable bending, and data collection and reporting procedures are addressed. Note that tensile strength as used in this test
method refers to the tensile strength obtained under monotonic uniaxial loading where monotonic refers to a continuous nonstop
test rate with no reversals from test initiation to final fracture.
1.2 This test method applies primarily to all advanced ceramic matrix composites with continuous fiber reinforcement:
uni-directional (1-D), bi-directional (2-D), and tri-directional (3-D).unidirectional (1D), bidirectional (2D), and tridirectional (3D).
In addition, this test method may also be used with glass (amorphous) matrix composites with 1-D, 2-D,1D, 2D, and 3-D3D
continuous fiber reinforcement. This test method does not address directly address discontinuous fiber-reinforced, whisker-
reinforcedwhisker-reinforced, or particulate-reinforced ceramics, although the test methods detailed here may be equally
applicable to these composites.
1.3 Values expressed in this test method are in accordance with the International System of Units (SI) and IEEE/ASTM SI 10.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 7 and 8.2.5.2.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
C1145 Terminology of Advanced Ceramics
C1239 Practice for Reporting Uniaxial Strength Data and Estimating Weibull Distribution Parameters for Advanced Ceramics
D3039/D3039M Test Method for Tensile Properties of Polymer Matrix Composite Materials
D3379 Test Method for Tensile Strength and Young’s Modulus for High-Modulus Single-Filament Materials
D3878 Terminology for Composite Materials
E4 Practices for Force Verification of Testing Machines
E6 Terminology Relating to Methods of Mechanical Testing
E83 Practice for Verification and Classification of Extensometer Systems
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E337 Test Method for Measuring Humidity with a Psychrometer (the Measurement of Wet- and Dry-Bulb Temperatures)
1
This test method is under the jurisdiction of ASTM Committee C28 on Advanced Ceramics and is the direct responsibility of Subcommittee C28.07 on Ceramic Matrix
Composites.
Current edition approved Dec. 1, 2016Jan. 1, 2018. Published January 2017January 2018. Originally approved in 1994. Last previous edition approved in 20152016 as
C1275 – 15.C1275 – 16. DOI: 10.1520/C1275-16.10.1520/C1275-18.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C1275 − 18
E691 Practice
...
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